Large 'Pull String' Spinner

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A 'propeller shaped' flywheel can store rotational energy, which when converted into thrust, launches it high into the sky!
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Опубликовано:

2 июн 2020

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Комментарии : 2,2 тыс.

@Guru_1092 4 года назад

Well clearly you need to make it even bigger and faster. It's the only logical next step.

@sebastianungerland3185 4 года назад

And dont forget to sharpen the edges :)

@GermanTopGameTV 4 года назад

Time for Carbon Fiber and transsonic profiles ;D

@Atermagister 4 года назад

Yes please! :D Wonder how that would end if Colin Furze got on board... :o

@nielsdaemen 4 года назад

And maybe use a lawnmower moter to spin it...

@zuthalsoraniz6764 4 года назад

And make it out of steel for both additional weight and strength for when it inevitably tosses itself into a bush!

@AndrewHyams 4 года назад

Great noise, terrifying blender XD

@redsquirrelftw 4 года назад

The all new Blendtec Air™

@BlackShark-ed4jy 4 года назад

How did you post your comment hours before the video was released?

@davincidamaster5311 4 года назад

@@BlackShark-ed4jy He's probably a member, and got early access to the video

@thomascalton3067 4 года назад

The Birdie Blender!

@MichaelDreksler 4 года назад

[Tom] Hmmm, a blender motor....

@filth1744 4 года назад

Everybody gansta til this man makes the discs from the incredibles.

@bigmackium8844 4 года назад

Darn i used to have fear of those things

@jaykirkham5090 3 года назад

Beat me to it

@Kyo-bd4tw 3 года назад

And chicken little

@screwbles5697 3 года назад

@@jaykirkham5090 r/beatmeattoit

@justkev1044 3 года назад

@@Kyo-bd4tw when I was in primary school teacher distributed kids newspaper and headline is about this movie and mentioned “four eyed chicken” in which four eyed actually meant people with glasses in chinese and I didn’t know that and I thought it’s a monster that can morph it’s face to have four eyes scared tf out of me

@aidanadkins5922 4 года назад

The most inefficient, but also the most fun, way to mow grass.

@longdarkrideatnight 4 года назад

Like to see this this fly though a smoke of fog bank.

@EchoBuildsThings 4 года назад

YES! FLY IT THROUGH SMOKE!

@6___________99_____________64 4 года назад

a smoke of fog bank ??

@sliceofbread2611 4 года назад

@@6___________99_____________64 Never seen a smoke of fog bank?

@arlingtonhynes 4 года назад

Andrew Ferguson Yeah, no idea what’s he’s jabbering about.

@6___________99_____________64 4 года назад

@@sliceofbread2611 No sir but now I'm dying to see one !

@Hu9oboss 4 года назад

Doing spectrum analysis on the sound at full power revealed that the rotational speed just after lift off is 4280 RPM (214 Hz) [listed in video 4340 RPM, within 1%] While just before the lift off it was 4620 RPM (231 Hz) That is a a 7% loss of energy due to the lift off mechanism. Probably it will be more efficient when the angle of the red and blue mechanism is more favorable.

@linuspauly2380 4 года назад

You could see in the beginning that the mechanism uses some energy to launch it straight upwards by a 'ramp'

@stojo33 4 года назад

I could tell that he is losing energy quick because of his aggressive angle just by watching the video.

@klab3929 4 года назад

Hugo you are the boss!

@flickpad 4 года назад

You're not fooling anyone. You're actually Joe Lycett.

@timehunter9467 4 года назад

Whoa, Joe Lycett is here! I bet Mark Silcox gave him these stats.

@mattshiz 4 года назад

Why does everyone on RU-vid have absolutely beautiful homes/gardens

@PhilJonesIII 4 года назад

There are not many out there that will be letting you see the 'unmade' parts of their homes. With a few props, you can give virtually any impression you want. We know that Tom has a nicely equipped workshop and he lives in or near the countryside. Apart from the few corners of a garden, you don't see much else though the nice weather helps a lot.

@zachary-zombie 4 года назад

Poop

@decepticonleadermegatron5239 4 года назад

Money

@deaddrool4354 4 года назад

*Homeless RU-vidrs left the chat* Also yes RU-vidrs can be homeless, Its called a phone with mobile credit.

@falconeagle3655 4 года назад

Production quality

@rentaspoon219 4 года назад

"do you hear a helicopter?" *Throat suddenly slit by a metal propeller*

@MasterofOrion 2 года назад

69 likes Nice

@rjmunro 4 года назад

When it's launched at 40º, at 3:58 in the video, as it glides, it flattens out and turns to the right. This is because as it starts to move forward, the blade that is sweeping forward generates more lift that the blade that is receding. Gyroscopic precession then rotates the disc flatter and to the right, causing the levelling off and turning that you see. This is something that happens to helicopters when they move forward, called "Asymmetry of lift" en.wikipedia.org/wiki/Asymmetry_of_lift. The pilot can correct for it to a certain extent, but it limits the maximum overall speed of the helicopter.

@linecraftman3907 4 года назад

I'm glad I visited this TED talk

@ashibilev 4 года назад

Isnt that the same thing as when a perfect stone skipping occurs? All the best throws ive seen have turned to one side after a few skips.

@Tom_Tom_Klondike 4 года назад

You are a badass

@boxedfender4810 4 года назад

And then as it falls is it in an autorotation?

@miltonish7451 4 года назад

8ball

@redsquirrelftw 4 года назад

That was pretty cool but I bet the flat nature of the ring gives it lot of drag, would be cool to see another design where it's like the toy one. Harder to make though.

@martindinner3621 4 года назад

Not too much harder as long as you have access to a welder. Make the outer ring out of a strip of metal with slots to weld the tips of the blades into.

@HrDernacht 4 года назад

Large dia sewer pipe of some sort would make a nice ring for the airfoils to put into edit: you could get a (most likely even free of charge) cutoff at the next big construction site. It would most likely be the green polyethylene you can‘t glue but screw. PE would maybe lack stiffness ime but there are pvc ones too and all of them should be nice to work with.

@ralfgreen9585 4 года назад

I would like to see that too. I think he should re make it with a band around the outside like the red plastic one.

@loddude5706 4 года назад

@@HrDernacht - Also sand-able to an aerofoil itself - but on the inside or outside?

@HrDernacht 4 года назад

Lod dude he could try both methods. Although the proven one with the ring on the outside is obviously the safer choice. Would really like to see that!

@JunkyardDigs 3 года назад

That camera work at 2:35! 🤘

@shyferret9924 2 года назад

YOOOOOO JUNKYARD DIGS

@DannySullivanMusic 2 года назад

couldn't agree more. _100%_ spot on.

@paulEG6 4 года назад

The real question is “how long would it skitter around on the ceiling of the living room for?”😂

@jacobmaz8157 4 года назад

Heretobenosey yessss

@jakewwwjake 3 года назад

This needs to be answered

@justkev1044 3 года назад

Find momentum and friction between ceiling and thing go go go

@ChasenR 3 года назад

"I made a thing" made a giant beyblade, id assume itd be similar to that, just way more dangerous considering itd fall while spinning. Instead of run into your leg itd be the head, neck, chest. Edit: made this comment a little too early, i dont think this one has enough mass to hurt like the giant sawblade top of death. Still though, dont try at home.

@TheMasheenist 3 года назад

I had a toy given to me, it was a handle with a spiral shaft attached, you pushed a round collar that was underneath a circular ring with three blades. Tried it out at my grandmas house, it hit the ceiling and started grinding off the stipple, just raining while powder down for 10-15 seconds lol I’ll never forget how hard I laughed 😂

@williamplatt1680 4 года назад

And now for the world's first game of competitive aerial lawnmowing.

@komradblyat6983 4 года назад

Lmao

@lonely.toaster 4 года назад

William Platt for a second I thought it said anal lawnmowing

@komradblyat6983 4 года назад

le smart boi wtf

@furryprotector5467 3 года назад

😂😂😂😂😂😂I’m dead now

@michaeld954 4 года назад

Make sure to sharpen the edges so it can cleanly take someone's head off

@GalaxyHap 4 года назад

Probably make it bigger too?

@SinaelDOverom 4 года назад

It was a weapon in Unreal and Unreal Tournament '99

@IntegralKing 4 года назад

calm down there Oddjob

@bfpierce 4 года назад

🤣

@Toffee521 4 года назад

r/cursedcomments

@SilverCymbal 4 года назад

Forget about the propeller! What about that lawn! You are giving me a run for my money!!! Seriously awesome video!

@peterbenjamin8351 3 года назад

Lol I had to go back and look! I know if YOU say it's a nice lawn, it's going to be pretty damn nice.

@DannySullivanMusic 2 года назад

lol dude

@blizzardstr 4 года назад

2:40 Shiny flying disc, spirally bent grass on a field... It reminds me something... "X-Files music is playing on a background"

@harrygao7576 4 года назад

On today’s episode of Tom Stanton: Tom accidentally makes a UFO

@mikebeacom4883 4 года назад

And tiny crop circles

@PozieNayan 4 года назад

Crop circle explained.

@luongmaihunggia 4 года назад

On today episode of Harry Gao: Harry Gao doesn't know what UFO stand for

@superslimanoniem4712 4 года назад

redstone craft guy it’s a joke, and it’s a ufo to the other people regardless : *Unidentified* flying object. Since they don’t know what it is, it’s a ufo regardless.

@luongmaihunggia 4 года назад

@@superslimanoniem4712 It wouldn't be a UFO if we all know what it is would it?

@sparksycat 4 года назад

This happened whilst flying my quadcopter once. It did not end well.

@teaser6089 4 года назад

@sparksycat 4 года назад

Micah van Everdingen couldn’t agree more

@sparksycat 4 года назад

Wait what does F mean?

@teaser6089 4 года назад

@@sparksycat F in chat is a meme that means condolences. In Call of Duty (Story) you press F after someone died. And a meme was born

@Boopop1024 4 года назад

Press f to pay respects :)

@ClemensAlive 3 года назад

4:57 how catoon charaters start running...

@EMRLDPRTO 3 года назад

Weeeee

@ramslade 3 года назад

_what_

@metaldarkness2627 3 года назад

*MENTAL GLITCHY GAGS*

@user-pl7tf9gv8e 3 года назад

@@ramslade _🤔_ 🤔

@nintendo-toasteredition 3 года назад

GOTTA GO FAST GOTTA GO FASTER

@pigc1936 4 года назад

4:14 the sound it made was amazing, almost sounded like a mini helicopter

@ImXyper 3 года назад

technically is a helicopter!

@lavenderinthedark 4 года назад

4:11 listen to how cool it sounds when its passing by, it honestly sounds like a real helicopter going past the most interesting part to me is that it shows that the majority of the spinning noise you hear from a helicopter isnt actually from the motor, but the sounds of the blades going through the air. a similar effect happens when you swing a sword or long stick quickly through the air

@sainjs 4 года назад

That's Doppler Effect for ya.

@emanueley8410 4 года назад

Simple trick to store more energy in the Spinner: add weights to the outer rim. maybe some lead fishing weights, covered by an (aerodynamic!) 3d-printed cover

@johnj4395 4 года назад

Becomes a balancing act because then more of the lift is countering the added weight

@tbmx5685 4 года назад

Or a v8 engine

@derkernsen 4 года назад

@@tbmx5685 made my day :D

@revimfadli4666 3 года назад

@@jonathanstevenson8948 and distance of mass from center is also squared as well

@revimfadli4666 3 года назад

@@jonathanstevenson8948 indeed, though I was talking about energy or moment of inertia rather than balance

@vernscheck2658 3 года назад

Tom, years ago when when I was pretty young. For my birthday I received a helicopter that worked on a similar inertia principal. The one difference was that using a pull string launcher the blades were designed to spin up flat. In the hub there were springs that were stretched as the revolutions increased. At launch you would aim the helicopter at maybe a 30 degree angle so that it would fly away from the launcher and travel possibly 150-180 feet or so And then return like a boomerang and land at your feet. As the blades started to slow, the stretched springs would begin to relax plulling the blades into more pitch in order to keep the helicopter flying. A really cool toy. Too bad I couldn't have purchased one to put away until I was older. I have searched far and wide but no one makes it anymore. Gotta go, my dog is bugging me for lunch. Cheers.

@homemmakako3073 3 года назад

5:12 "A slightly more powerful, more dangerous children toy" I like how this is basically the description of every man's toy.

@chrisj4570g 4 года назад

At full RPM that sounded terrifying. I love it!

@Aesgor 4 года назад

4:16 reminds me of that flying vehicle in the incredibles. The one that the bad guys in white suits used while chasing in the jungle. Someone help me out here

@crusader_. 4 года назад

Yes cool

@EarleTKG 4 года назад

Yes cool 2

@trianggle4954 4 года назад

Yes cool 3

@yihszet 4 года назад

Yes cool 4

@jacobmaz8157 4 года назад

Yes cool 5 (yesss Ik what you’re talking about)

@roberthigbee3260 3 года назад

Another fun video, thanks! You had a slide about rotational energy. Another thing to consider when designing propeller driven stuff is that all other things being held constant, a prop's power goes up by RPM cubed (HP2 = HP1 (RM2^3/RM1^3). If you hold RPM constant, power goes up by diameter (D) to the fifth power (HP2 = HP1 (D2^5/D1^5)). Keep on experimenting!

@IstasPumaNevada 3 года назад

I'd still like to see a variant of this with the outer ring edge-on to the airflow instead of flat-on as you machined it out.

@and7barton 3 года назад

Trouble with this is, it tends to quickly tilt over and do a dive

@parmajomm8459 4 года назад

Tom: time for some destruction *shoots it into leaves*

@MCsCreations 4 года назад

Looks like you made the first successful flying saucer of the world, Tom... Congrats! 😬 Stay safe there! 🖖😊

@AsymptoteInverse 3 года назад

You build such cool stuff! And plus, I learned about that self-launching "gear" mechanism. I was always curious about that.

@sammyspaniel6054 4 года назад

I've always wondered what the limits were with this concept. I think you've shown that with an outer ring-wing you could achieve some considerable distance.

@MaxImagination 4 года назад

4:11 looks almost like one of those racing drones! Great video Tom Stanton!

@sentientcloud 4 года назад

4:15 It sounds like a helicopter!

@dyingofcringe8839 4 года назад

@biko9824 4 года назад

yes

@bob-ny6kn 4 года назад

It sounds nothing like a helicopter.

@nauvalghaina8616 4 года назад

I think more like a landing cessna

@agentchristos 4 года назад

More like a softcore airplane

@metocvideo 3 года назад

Nice work Tom. In the sport of clay pigeon shooting, there is a very elite form of target, the “ helice” sometimes called “ ZZbird”. It is a spinning propellor not unlike your device here and launches in the same way. The launcher has a limited rotation powered base, and the whole machine is concealed behind a screen to the shooter has no idea of which direction it is going until it appears. The propellor has a friction fit ring on it, and if it is struck by pellets, the ring detaches and the shooter gets a point. Have a look at this, it might be interesting for you.

@IHateCopperGolems 3 года назад

0:31 Propeller: Kaboom? Yes Rico, Kaboom

@NothingXemnas 4 года назад

I imagine making the spinner's outer rim vertical instead of horizontal will quickly improve its aerodynamics.

@moritzfriedrich 4 года назад

Exactly what I thought as well!

@danspratt2 4 года назад

4:12 reminds me of the "Velocipods" from The Incredibles

@benjaminanderson1014 3 года назад

Flywheels are most efficient when they have a large mass around the outer ring. You should try attaching some thick dense metal around the ring of the propeller. The best part about that is having it there won't increase friction, just inertia, so you can spin it up to just as high an rpm (though it will take longer to do) and it will maintain a high speed for longer.

@macnsteeze 4 года назад

I love how it comes down in a corkscrew. Very satisfying

@TwitchFast 4 года назад

The way you engage the flywheel projectile to the motor reminds me _exactly_ of the newer(?) beyblades. Also at 4:00 I really thought that thing was going to just disappear into the horizon.

@UAVwaffle 4 года назад

Same XD

@wololo10 4 года назад

Needs mass in the outer edge

@old_guard2431 4 года назад

This was my first thought also. Aluminum is great for CNC fabrication but not much for inertia.

@waynerussell6401 4 года назад

@@old_guard2431 Look at the flywheel equation - speed matters more than mass.

@jetison333 4 года назад

@@waynerussell6401 we've maxed out the speed already though.

@threeMetreJim 4 года назад

I think it would do well if it was turned it into a 'ducted' fan, but one where the outside spins too. Put some 'teeth' on the leading edge, and see what thickness of wood it can bore through from a distance.

@Susul-lj2wm 4 года назад

I love how the vertical launch looks and sounds

@seanlanders4180 4 года назад

I think part of the reason this doesn't fly so high is the geometry of that outer disk. You mentioned in the horizontal test that the plastic versions have that outer ring that acts as a bit of an airfoil; this same idea applies to the vertical test too. The plastic versions have the outer ring presenting a point towards the leading edge, while yours has a flat band presenting towards the leading edge. You should try 3d printing a sort of molding that screws against your outer ring to give it a more aerodynamic shape and revisit the vertical tests!

@Windcent 4 года назад

Thanks to you I now know what to do with the 600 size heli motor I have laying around. This thing is going to be lethal.

@Rocan0 4 года назад

Oh shit I really don't want to be near your house when you'll test it xD

@maker-matt 4 года назад

don't try to hand launch it.

@Fpvfreaky 4 года назад

I love watching these vids. That would be nice with lights on. So when it rotates in engages the lights and turns them on. Abit like them light up yo-yos . Stay safe bro👍🏽

@redkiwi5980 2 года назад

This channel is a treat. Thank you :)

@isettech 4 года назад

Used to launch 12 inch model airplane propellers off a sewing machine motor using a variac. Actual propellers fly very well. Use a good anchor to keep from launching the motor too.

@ferdi9067 4 года назад

What have we learned? Never hop Tom's fence, otherwise there's probably a spinning object in your Face🙃

@Lanzbik 4 года назад

Gives me flashbacks of those ufo’s from the incredibles

@scootergrant8683 4 года назад

It's not just me.

@seavee2000 4 года назад

Another excellent video. Thank you.

@anthonyimouche541 4 года назад

4:16 love this sound! Sounds like a sci-fi drone or a tiny helicopter without turbine noise

@nickelpence 4 года назад

I feel like we'll se an UFO sightings increase (Also, I need to build one of these🤪)

@poijmc606 4 года назад

Also they will find "mysterious" circles on the ground

@ethanlewandowski1939 4 года назад

4:13 It actually sounds like a helicopter.

@ImXyper 3 года назад

technically is a helicopter!

@dustincousins 4 года назад

Oh man! I was hoping you would put it on a glider in the end. Still fun stuff. Thanks for your time and energy :)

@douglasrohman6191 4 года назад

Nice design and work.

@simonbecker748 4 года назад

It reminds me of these flying Discs in "The Incredibles"

@damncat2793 4 года назад

3:39 "*wow that's a lot of RPM*" 3:50 *_HOLY JESUS FREAKING CHRIST THAT IS FAST_*

@Bloodshotistic 4 года назад

When you started describing the physics behind it all, I had to pull my pants back up. Subbed for some good content and was blown away.

@brokenbonesmedia26 4 года назад

It would be nice to see something with some kind of mechanics(could be a servo or even a spring, but it might be hard to find the perfect strength) that can pull weight closer to the center, so if you can spin it up to some speed and launch, it can accelerate(with servos), or maintain its speed for longer(when using springs, and they start pulling the weight in as it starts slowing down). Keep up the good work, love your videos

@freescape08 4 года назад

Tom: *monotone* Wow that's high. Me: *cringing* Don't hit the drone!

@matiascalles8009 4 года назад

that something straight from the incredibles movie

@Orangefan77 4 года назад

That's exactly the thing I thought of as well.

@christinoccs 3 года назад

I really enjoy your experiments

@Mo-gb3he 4 года назад

we needed this, thanks

@nochan99 4 года назад

Next time, just make a wheel, and se how far it goes along the ground!

@RCP-1136 4 года назад

And them add another wheel with a saddle to ride on

@minecrafthamody3082 4 года назад

3:50 this sound reminds me with the scream of the bear in "SCP containment breach"

@musicauthority7828 Год назад

Those interlocking teeth are called an overruning clutch. they are often in starter motors. to keep the engine from spining the windings off the armature. after it starts.

@maddoctorwhitson 4 года назад

You can do something similar by locking the bearings on a bicycle wheel, and loosely attaching the axle to a power drill... when the wheel slips out from the drill, it goes incredibly fast, and it's funny to watch it jump a ramp.

@acehandler1530 4 года назад

"The Decapitator"

@JC-db4ih 4 года назад

You must have atleast 20 ticks after walking true that grass

@threeMetreJim 4 года назад

No real dangerous ticks in the UK. Don't wear shorts walking through it though, you end up with legs cut to ribbons by the 'blades' of grass. I made that mistake as a child, and it hurt for hours.

@threeMetreJim 4 года назад

No real dangerous ticks in the UK. Don't wear shorts walking through it though, you end up with legs cut to ribbons by the 'blades' of grass. I made that mistake as a child, and it hurt for hours.

@sybrenkoninckx 3 года назад

pretty cool i wanted to do that to last summer and here u are with an even extremer version :d

@slatetechnologies1724 2 года назад

I imagine the name for your lawn care company: “Tom Stanton’s Lawn Care, we use nerd technology to care for your lawn!”

@alex.hleconte6007 4 года назад

4:15 the Incredibles, forest chase. Colorized.

@plaetzchen86 4 года назад

The noise is everything but how could one make it steerable? With that amount of travel horizontally couldn’t you try to steer it away from ground and start trading speed for altitude?

@oskarkrogsgard3014 4 года назад

Problem is, it's basically one giant gyroscope. It would be quite tricky to make it change orientation

@Void-cn6rn 4 года назад

It spins too fast to put effective control surfaces on it. It would just cancel itself out constantly as it spins to the other side of the disk.

@mitkostoyanov7803 4 года назад

That was very enertaining! Thank you.

@jelmermulder7276 4 года назад

I love the video. Greatly enjoyed it

@ageroorda783 4 года назад

Uploaded 1min ago Comments 19 hours ago Me: 0_0

@DearHRS 4 года назад

patreons man

@keevagrace8695 3 года назад

Alternative title: Man builds dangerously fast spinning flying lawn mower

@LOSDUB.TMFKNJ 4 года назад

Thats so dope!

@boosh5047 3 года назад

I really want to make one of these now, super fun!

@rqlk 2 года назад

Gives me memories from when I had one of these toys as a young child. It met it’s unfortunate end when it hit the ceiling too hard though

@112icarus112 Год назад

This was amazing to watch! The large spinner, when it hopped the fence and just kept going, reminded me of those dual blade spinning drones the bad guys flew in the Incredibles movie! Maybe you could adapt the design to have one prop spin one way, and another prop geared to spin the opposite way, and have it self stabilise, but still launched off the single motor? Either way, great video, and makes me want to go out and buy a spinner now 🙈

@miky8788 4 года назад

A really cool sound !

@gumbykevbo 2 года назад

Regarding the semi-horizontal launches: The thing will eventually turn vertical due to rotor dynamics if it has sufficient launch altitude for this to happen before it hits the ground. As it begins to "slide" downward after lauch, advancing blades gain airspeed, while retreating blades lose airspeed. This causes the advancing blades to increase lift (and retreating ones to decrease). Due to precession, this causes the forward edge of the rotor to lift, causing it to transition to a vertical direction. This is the same thing that causes a boomerang to turn, and why they go upward and stall if you throw them sidearm.

@policemasta5220 4 года назад

So cool man I love it

@repent-before-its-too-late 4 года назад

Back in the USSR, we had such toys with a manual starter and a plastic spinner, if you start it at home, then the spinner rested with a cone against the ceiling and spun there and then descended to the bottom :-)

@stots7797 4 года назад

Great vid 👍

@mattdumbrill8324 4 года назад

You shoud do this same project, but have another one counter-rotating to cancel out the yawing it would also effectively double the trust or kinda double the flight time.

@oadka 2 года назад

Mind blowing stuff right there

@rusugabriel2554 3 года назад

man I just love your backyard

@oneilclarke8494 2 года назад

This was rather satisfying.

@RVSparky 4 года назад

At a young age of building things I was given a dremmel tool set. Did not take me long to put one of the toy rotors like that on the dremmel, wind up to high speed. Now I did understand centrifugal force so I never spun up to the full RPM, and i had to stop the chuck by hand cause I knew would destroy the chuck lock. But dam they launched very high, and I lost the rotor in a field. End of experiment. Lucky didn't explode in my face.

@christiancasaverdepertica1802 3 года назад

Only way I can think of improving it is making it more similar to the plastic ones. The outer surface is probably slowing it down a bit, and like you mentioned in the video, with the smaller ones, the outside surface acted as a wing to a certain degree

@park2348190 4 года назад

looks fun!

@ewenriordan6614 4 года назад

tom if you curve the rim out to make a deducted fan you receive much more lift as fast air passing over the sloped surface creates a lower pressure than the area underneath the curve

@JustRightTea 3 года назад

great video, wish I had time to make stuff I have work then relaxing, if I were to make some of my projects it'd take a a week spread out across a decade

@Thefunnyguy369 3 года назад

I think like a first one is vertical corner to help it going to more hight but which you made you spinner has horizontal corner the horizontal corner has resist more air then the first one which have vertical corner ( means which spiner has vertical corner is going to hight )